95results about "Portable bridge" patented technology

The invention provides tunnel inverted arch trestle construction equipment, and belongs to the technical field of tunnel construction equipment. The tunnel inverted arch trestle construction equipment comprises a trestle, an arch bottom surrounding rock excavation device is arranged at the front end of the trestle, the rear end of the trestle is connected with a rear slope bridge, the arch bottom surrounding rock excavation device is provided with an independent walking mechanism, and a main body part of the arch bottom surrounding rock excavation device is located on the front side of the trestle. The arch bottom surrounding rock excavation device comprises a front slope bridge and a transition bridge connecting the front slope bridge and the trestle bridge, the rear portion of the transition bridge and the front portion of the trestle bridge are provided with an overlapping part, the overlapping part can relatively slide front and back, and the maximum length of the overlapping part is larger than the single excavation stroke of forward excavation of the arch bottom surrounding rock excavation device. The arch bottom surrounding rock excavation device can conduct excavation forwards without the help of a feeding driving piece connected to the trestle, the problems that stability is poor and trestle supporting is not stable due to the fact that the feeding driving piece is used are solved, the transition bridge and the trestle are always kept in the connection state in the excavation process, and the normal traffic function is guaranteed.

The application discloses a bridge mechanism of an amphibious bridge and belongs to the technical field of transportation. The bridge mechanism is suitable for the amphibious bridge and comprises a bridge span. The bridge mechanism comprises two middle bridge joints connected with each other, has a V-shaped bottom shape, and has a top plane structure used for passing of driving equipment; two end bridge joints connected to two ends of the two middle bridge joints through a bridge joint turnover mechanism, the turnover mechanism is used for lifting up the end bridge joints as the fulcrum relative to the connecting position with the middle bridge joints; and a plurality of air bag assemblies symmetrically connected to the side of the middle bridge joint. The amphibious bridge combines the land dry ditch bridge and the water ferry, can overcome the dry ditch obstacle on land and the river obstacle on water, and meets the double needs of smoothly passing the water and land obstacles.

The invention relates to the technical field of telescopic gallery bridges, and discloses a sectional type liftable telescopic gallery bridge which comprises a first fixed gallery bridge, a telescopic gallery bridge and a second fixed gallery bridge, and the telescopic gallery bridge is located between the first fixed gallery bridge and the second fixed gallery bridge. Wall bodies are arranged on the sides, away from the telescopic gallery bridge, of the first fixed gallery bridge and the second fixed gallery bridge correspondingly, and channels are formed in the wall bodies. According to the invention, the three-section segmented structural design of the first fixed gallery bridge, the telescopic gallery bridge and the second fixed gallery bridge is adopted; when the two ends of the telescopic gallery bridge are in butt joint with the first fixed gallery bridge and the second fixed gallery bridge correspondingly, a closed passage gallery bridge communicating wall body channels at the two ends can be formed, and the barrier-free transfer requirement of personnel and materials is met; when the telescopic gallery bridge is retracted and stored into the first fixed gallery bridge, an unshielded passing space is formed between the first fixed gallery bridge and the second fixed gallery bridge, and barrier-free passing of operation vehicles, large equipment and fire-fighting vehicles can be met.

The invention relates to a gravity type anchoring super-long cableway bridge in a complex wind field alpine and canyon area and a construction method, which are characterized by comprising the following construction steps: step 1, construction preparation; step 2, rock anchor cable construction; thirdly, concrete anchorage pier construction is conducted; fourthly, I-shaped steel distribution anchor beams are installed; step 5, mounting a bearing cable; sixthly, a handrail steel rope is installed; seventhly, bridge deck system cross beams are installed; 8, mounting a bridge floor steel wire mesh; ninthly, angle steel guardrails are installed; and tenthly, wind cable construction is conducted. The cableway bridge is constructed above the riverway in the alpine and gorge area of the complex wind field to assist in construction of rigid frame bridge beams and pier columns, and the problems that no construction road exists on cliff walls on the two sides of the riverway, water flow kicks rapidly in the waterlogging period, and transportation of materials, personnel and small construction machines cannot be conducted are solved.

The application discloses a flyable emergency assembly type bridge, which comprises a plurality of detachably connected emergency assembly type standard bridge joints; the emergency assembly type standard bridge joint comprises a bridge body, recesses are symmetrically arranged on both sides of the bridge body along the length direction of the bridge body, and spaces for storing two groups of flying devices are formed; when the emergency assembly type standard bridge joint forms a bridge, all components of the bridge are stored in a folded mode; when the bridge is used as a flying device, all components of the flying device are unfolded to form flying arms of the bridge body. The application changes the traditional bridge structure, can complete the assembly of the bridge structure in the air, is not affected by sites and other dangerous factors, greatly improves the safety of construction operation, can fly, is fast and convenient, and can strive for more valuable time for rescue and disaster relief, can be automatically operated, can be remotely controlled, saves labor, and improves construction efficiency. The application can be repeatedly used, is flexible and mobile, one set of equipment can continuously guarantee the connection of important traffic lines, reduces energy consumption, and saves cost.

The application discloses a vehicle-mounted large-span emergency mechanical drawbridge, which comprises a carrying vehicle, a vehicle frame arranged on the carrying vehicle, a bearing frame arranged on the vehicle frame, and an end of the vehicle frame being hinged to the bearing frame, and the bearing frame being used for bearing a drawbridge body; the drawbridge body comprises a first bridge deck and a second bridge deck which are hinged to each other, the second bridge deck can be folded above the first bridge deck to form a storage state, the second bridge deck can be unfolded and arranged on the same horizontal plane with the first bridge deck to form a setting state, and the drawbridge body in the setting state can be arranged at a river, a gully or the like as a temporary bridge. The application has the advantages of ingenious structure design and high automation degree, the difficulty of loading and unloading and setting of the drawbridge body is reduced through cooperation of the inclined bearing frame and a winch assembly during bridge setting, the drawbridge body is folded to be stored or unfolded, the span of the drawbridge body is increased while the drawbridge body is conveniently transported, and the drawbridge body can be continuously set to expand the use environment.

The invention provides a landscape plank road construction plate gap adjusting mechanism, and relates to the technical field of plank road construction, the gap adjusting mechanism comprises a gap adjusting part separably mounted on a plank road framework; the gap adjusting component is composed of adjusting rotating rods, movable reference parts and connecting cylinders, and the adjusting rotating rods and the movable reference parts are in one-to-one correspondence and achieve synchronous rotation through the connecting cylinders. The movable reference part comprises an L-shaped clamping seat, a movable reference plate and an adjusting action part, the L-shaped clamping seat is connected with the side edge of the plank road framework in a clamping mode to fix the position, and the movable reference plate is connected with the side edge seat plate through a telescopic rod piece. The adjusting rotating rod is driven by rotating the hand wheel part, the adjusting acting part drives the movable datum plate to move, and therefore the gap between the to-be-laid plate and the laid plate is accurately controlled. The mechanism can adapt to different framework distances, synchronous distance adjustment of multiple plates is achieved, it is guaranteed that the gaps are uniform and consistent, the construction efficiency and the gallery road attractiveness are improved, and the mechanism is simple in structure, convenient and fast to operate and suitable for continuous gallery road laying operation.

The application discloses a kind of expansion construction methods of existing railway multi-hole frame bridge keeping traffic, adopt the construction of separate hole and adopt bridge to realize traffic, maintain the normal traffic of traffic, avoid the inconvenience brought by cutting off traffic, simultaneously, bridge is used as the support structure of roof pouring construction, without setting additional formwork support structure, both guarantee the stability of support, and avoid the influence of support structure on traffic, while meeting the traffic demand, guarantee the safety and reliability of roof construction.

The utility model belongs to the field of constructional engineering, and particularly relates to an assembly type foundation pit transportation channel. Comprising a supporting structure, a cross beam, straight plates, bent plates and protective components. The supporting component comprises at least one bottom column part vertically connected with a supporting bottom column and a supporting frame in threaded connection with the top of the bottom column part, the supporting structure comprises two supporting components vertically arranged on the ground and a cross beam in threaded connection with the tops of the two supporting components, and protection components are symmetrically arranged at the two ends of the cross beam; the protection parts close to each other are connected in sequence; a plurality of groups of supporting structures are uniformly arranged at the bottoms of the straight plates and the bent plates, at least one straight plate is sequentially connected to form a straight plate path, at least one bent plate is sequentially connected to form a bent plate path, and the bent plate path is arranged between the two straight plate paths.

An assembly type pedestrian overpass component belongs to the technical field of bridge engineering, comprises a main beam, a bridge floor, bridge piers and stairway beams, and is characterized in that the main beam and the bridge floor are concrete prefabricated components; the main beams are a pair of H-shaped concrete main beams, brackets are correspondingly arranged on the pair of H-shaped concrete main beams, the bridge deck is a prefabricated bridge deck slab, and the prefabricated bridge deck slab is supported between the two H-shaped concrete main beams through the brackets; the H-shaped concrete main beam is arranged in the main beam groove; transverse partition plates are arranged on the lower portion of the H-shaped concrete main beam at intervals, a prestress system is arranged in the H-shaped concrete main beam, and the stairway beam is supported on a pier through a high supporting block and connected with the H-shaped concrete main beam. The utility model has the advantages of high construction efficiency, excellent structural performance, low construction and maintenance cost and good landscape effect. The pedestrian overpass can be applied to various roads where pedestrian overpasses need to be built.

The invention relates to an automatic unfolding device and method for a folding light-weight first-aid repair beam. The folding type lightweight first-aid repair beam is composed of two same ruts, each rut is composed of a middle bridge section and two side bridge sections, and the middle bridge sections and the side bridge sections are hinged to form the folding type ruts. The unfolding device comprises a traction rope, a driving device, a descent control device, a descent control rope and a truck-mounted crane; slow descent rope connecting holes connected with one ends of slow descent ropes are formed in the outermost ends of the side bridge sections, the other ends of the slow descent ropes are connected with slow descent devices, the slow descent devices are connected to truck-mounted crane lifting hooks, and lifting rope connecting holes are formed in the middle bridge sections; a traction rope connecting guide structure is arranged on a bridge section of the track; the driving devices are arranged in the side bridge sections or are independent of the ruts, the driving devices are connected with the traction ropes, and the driving devices tighten the traction ropes to unfold the folded ruts in the air. The method has low requirements on matched transport vehicles such as truck-mounted cranes and hoisting equipment, and is wide in application range.

The utility model discloses a wooden trestle convenient to mount and demount, which comprises bottom frames positioned on two sides, a plurality of cross beams are arranged between the bottom frames, support plates are arranged on two sides of the upper ends of the cross beams, a plurality of handrails are vertically arranged at the upper ends of the bottom frames, and a plurality of limiting rods are arranged between the adjacent handrails. Handrails are correspondingly arranged at the upper ends of the handrails, and a locking mechanism is arranged in the bottom frame. According to the utility model, the cross beam and the handrails can be fixed through the arranged locking mechanism, so that the mounting and dismounting time can be shortened, and the connecting strength of the handrails can be improved through the arranged limiting rods and handrails.

The invention relates to a construction method for treating the height difference between a trestle plate and the ground. The construction method comprises the following steps that the trestle plate is constructed in a foundation pit excavated in a construction area; a plurality of first supporting columns are arranged between the trestle plate and the ground on the outer side of the foundation pit; a supporting beam is constructed above the multiple first supporting columns; a transition plate is constructed on the supporting beam; and slope filling is carried out above the transition plate, and the height difference between the plate surface of the transition plate and the ground is transited through a slope surface formed by slope filling. According to the construction method for treating the height difference between the trestle plate and the ground, the transition plate is constructed and the slope is filled on the transition plate, so that the height difference between the trestle plate and the ground is slowly transited, normal passing of on-site vehicles and personnel can be met, and the construction method is attractive and elegant in appearance and more convenient to pass after implementation.

The utility model relates to a kind of temporary bridge deck for water conservancy project, belong to temporary bridge deck technical field, including support column and the top plate fixedly connected in the top end of support column, the outside of the support column is provided with the support reinforcing structure extending to its bottom, the support reinforcing structure includes the fixed sleeve fixedly connected to the outside of support column, the outside fixed connection of the fixed sleeve has first hinged member.That temporary bridge deck for water conservancy project, by setting first hinged member and support strut, support strut can be rotated, further by setting earth peg, support strut can be fixed on ground, while cooperating with support column, entire device can be in stable state, while by setting second hinged member and hinged rod, support strut can be reinforced while ensuring not to affect support strut storage, further improve the stability of whole, avoid in the condition of shaking.

The road surface construction structure comprises a telescopic platform and auxiliary ladders arranged on the two sides of the telescopic platform, the telescopic platform comprises a supporting plate, an adjusting frame, a telescopic adjusting assembly and an L-shaped adjusting plate, the adjusting frame is connected to the upper end of the supporting plate, long grooves are formed in the two sides of the adjusting frame, the side end of the L-shaped adjusting plate is connected with the auxiliary ladders, and the telescopic adjusting assembly is connected with the auxiliary ladders. The front end of the L-shaped adjusting plate extends into the long groove; the auxiliary ladder comprises a ladder frame, ladder plates and handrails, rollers are arranged on the bottom side of the ladder frame, the multiple ladder plates which are obliquely distributed are arranged on the slope surface of the ladder frame, and the handrails are arranged on the two sides of the top side of the ladder frame. The telescopic ladder has high flexibility, safety, stability and durability, through the reasonable design of the telescopic platform and the auxiliary ladder, safe passing of personnel in the construction process can be guaranteed, and the influence of construction on road surface use and the surrounding environment is effectively avoided.

This invention relates to the field of trestle technology, and more particularly to a trestle structure for modular splicing construction, comprising several frame mechanisms spliced ​​sequentially along the front-to-back direction. Each frame mechanism includes two parallel support beams, with several crossbeams fixedly connected between the two support beams. A T-shaped cover is slidably connected to the upper surface of the middle crossbeam, and bridge plates are inserted into the front and rear surfaces of the T-shaped cover, respectively. The bridge plates are laid on the upper surfaces of the support beams and crossbeams. A bent plate is fixedly connected to one end of the T-shaped cover, and a gravity plate is slidably connected to the other end of the T-shaped cover. The bent plate and the gravity plate are respectively close to the two side edges of the bridge plate. This invention adopts a U-shaped sealing and water-blocking structure, with closed-loop protection at the curved edge of the bridge plate, combined with boltless connection, effectively preventing seepage and mud accumulation, preventing silt from squeezing the splicing gap, extending service life, facilitating assembly and disassembly, and significantly improving the efficiency of steel trestle paving and disassembly construction.

The utility model provides a lifting type wave compensation trestle which comprises a lifting assembly, a wave compensation assembly and a trestle assembly. The lifting assembly comprises a lifting driving part, a transmission gear, a fixed rack, a transmission rack and a lifting platform; the fixed rack and the transmission rack extend in the lifting direction of the lifting assembly, the fixed rack is fixedly installed on a deck of the ship and meshed with the first side of the transmission gear, the transmission rack is meshed with the second side, opposite to the first side, of the transmission gear, and the lifting driving part is connected with the transmission gear and drives the transmission gear to move along the fixed rack. The transmission rack is driven to move between a first position and a second position; the bottom of the lifting platform is connected to the end, away from the lifting driving part, of the transmission rack. The wave compensation assembly is installed on the top surface of the lifting platform. The problems that in the prior art, the efficiency of butt joint of a trestle, an offshore floating body and a fixed platform is low, and the safety risk is large are solved.

This application relates to a steel trestle bridge and its construction method, belonging to the field of bridge construction. The steel trestle bridge includes: pile foundations; a Bailey bridge frame fixed to the upper side of the pile foundations; a bridge deck fixed to the upper side of the Bailey bridge frame; two guardrails, each hinged to one side of the bridge deck; and a drive mechanism located on the lower side of the bridge deck to drive the guardrails to stand vertically on both sides of the bridge deck or to lie flat on both sides of the bridge deck. This application facilitates the passing of two vehicles traveling in opposite directions, improving traffic efficiency.

The application relates to a bridge crossing structure and method suitable for air cushion vehicle walking, and belongs to the technical field of large transformer transportation equipment. The technical scheme is as follows: a first movable bridge deck (3) and a second movable bridge deck (4) are both right-angled trapezoids or right-angled triangles, the first movable bridge deck (3) and the second movable bridge deck (4) are combined to form a rectangular bridge deck, the rectangular bridge deck is provided with sealing materials (8) on two long sides, the rectangular bridge deck is arranged on a movable support (6), the movable support (6) is rotatably connected to a fixed support (5) through pin shafts (7) at two ends, the fixed support (5) is fixed on a ground base, a first hydraulic cylinder (1) is drivingly connected to the movable support (6), and a second hydraulic cylinder (2) is drivingly connected to the first movable bridge deck (3). The application has the beneficial effect that the contact surfaces on both sides of the bridge deck are sealed in air tightness by the sealing materials.

The utility model discloses a kind of temporary passageway convenient to install and fix, including bottom plate, support frame being set to the bottom of bottom plate and two groups of two groups of guardrails being respectively installed in opposite sides of support frame, bottom plate is plywood, support frame and guardrail are all connected by several vertical and horizontal interlaced steel pipes, and every interlaced position of steel pipe is connected by fixed fastener. Use plywood as bottom plate, use steel pipe to make guardrail, utilize construction site existing material, need not transport procurement from outside, reduce material cost, save material transport time, construction material is secondary utilization, reduce building waste discharge;It is connected by fixed fastener, guarantees the structural stability of temporary passageway, the support frame and guardrail built by using steel pipe can guarantee bearing capacity, integrally form a temporary passageway with stability and bearing capacity, improve personnel traffic efficiency, greatly improve construction efficiency, effectively shorten construction period for project.

The invention discloses a trestle beam plate-based vehicle washing method, which comprises the following steps: during integral construction of trestle beam plates, carrying out plate descending treatment on three adjacent trestle plates at an entrance and an exit of a site, and respectively taking the three adjacent trestle plates as a first-stage sedimentation tank, a second-stage sedimentation tank and a third-stage sedimentation tank; a spraying pipe network is arranged in the primary sedimentation tank and is used for spraying water upwards to clean passing vehicles, so that the spraying pipe network is communicated with a water connection point; a steel grating is arranged at the top of the primary sedimentation tank in a supporting manner for vehicles to run; a first drainage pipe is arranged between the primary sedimentation tank and the secondary sedimentation tank, so that the elevation of the first drainage pipe is lower than that of the spraying pipe network; a second drainage pipe is arranged between the second-stage sedimentation tank and the third-stage sedimentation tank; a drainage pump is arranged in the third-stage sedimentation tank and used for discharging water precipitated in the third-stage sedimentation tank to a drainage ditch, and the construction land is saved through the car washing method.

The utility model relates to the technical field of steel pipe connecting structures, in particular to a steel pipe connecting structure of an assembly type steel trestle, which comprises a U-shaped buckle hoop, a mounting block and a locking nut, the U-shaped buckle hoop and the mounting block are adaptively mounted on a steel pipe, a bayonet is arranged on the end face of one side of the mounting block, two ends of the U-shaped buckle hoop penetrate through the mounting block, and the locking nut is arranged on the U-shaped buckle hoop. The locking nut is connected into the U-shaped buckle hoop in a threaded mode and abuts against the installation block. And the connecting rod is used for connecting the mounting blocks between the two steel pipes. According to the utility model, the U-shaped buckle hoop and the mounting block are assembled in a buckling and tightening manner, so that the mounting manner is more convenient, and the operation efficiency is high.

The invention provides an assembly type trestle plate. The assembly type trestle plate comprises a plurality of trestle plate units, a sound insulation permeable layer and a drainage ditch. Each trestle plate unit is provided with a first side edge and a second side edge which are opposite in the width direction and a third side edge and a fourth side edge which are opposite in the length direction, the multiple trestle plate units are sequentially connected in a tiled mode in the length direction, and sealing materials are arranged in gaps between every two adjacent trestle plate units. The sound insulation permeable layer is arranged on the upper surfaces of the trestle plate units; the drainage ditches are arranged on the first side edges and / or the second side edges of the upper surfaces of the trestle plate units and extend in the length direction of the trestle plate units. According to the assembly type trestle plate, noise pollution generated when vehicles pass through is reduced, and meanwhile the problem of water leakage is solved.

The utility model discloses a bridge deck temporary steel bridge buffering device, and relates to the technical field of temporary steel bridge buffering devices, the bridge deck temporary steel bridge buffering device comprises a temporary steel bridge connecting frame, the bottom end of the temporary steel bridge connecting frame is fixedly connected with a buffering supporting column, the bottom end of the buffering supporting column is fixedly connected with a fixing mechanism, and the bottom end of the fixing mechanism is slidably connected with a supporting column in an inserted mode. When the temporary steel bridge buffering device is used, the temporary steel bridge can extrude the trapezoidal pressing plate and the limiting column through the temporary steel bridge connecting frame, so that the first damper and the second spring can be extruded, the vertical vibration of the temporary steel bridge can be damped, meanwhile, the trapezoidal pressing plate can transversely slide along the arc-shaped vertical plate, and the damping effect is good. And a first spring can be extruded by a second damper, so that buffering force in the horizontal direction can be provided for the temporary steel bridge, the buffering and damping effect on the temporary steel bridge is better, and it is guaranteed that stable use of the temporary steel bridge is not affected.

The invention discloses a line-driven bendable bridge and an operation method thereof. The line-driven bendable bridge comprises a plurality of bendable bridge unit structures, bridge piers and control lines. The bendable bridge unit structure comprises a small frame, a large frame, a wide bridge floor and a narrow bridge floor. All the bendable bridge unit structures are connected in series to form a zigzag arrangement mechanism; flattening or bending of the bendable bridge can be achieved by tightening and loosening different control wires. In the flattened state, vehicles pass through the wide bridge floor, and pedestrians pass through the narrow bridge floor. The amphibious device can be used by selecting different piers, has the advantages of being rapid in unfolding, high in bearing capacity and light in self weight, can meet the rescue requirement when major disasters suddenly occur, ensures that rescue actions are carried out in time, and protects life and property safety of people.

A pedestrian path mechanism matched with an aluminum coil feeding groove comprises a movable support of a winding supporting roller, a first cantilever section is arranged at the top of one side of the feeding groove, a second cantilever section is arranged at the top of the other side of the feeding groove, the first cantilever section and the second cantilever section both correspond to the extending end of the winding supporting roller, and the pedestrian path mechanism further comprises a rigid bridge fixedly arranged on the movable support. Guardrails are arranged on the two sides of the rigid bridge respectively, one end of the rigid bridge is attached to the top face of the first cantilever section, and the other end of the rigid bridge is attached to the bottom face of the second cantilever section. The feeding device is simple in structure and low in improvement cost, operators can stretch across the feeding groove conveniently, and passing safety of the operators is guaranteed.

The utility model relates to the technical field of coal mine electromechanical transportation, in particular to a coal mine underground scraper conveyor pedestrian gap bridge which comprises a bridge body frame which is a rectangular hollow bridge body. According to the utility model, the rotating clamping plates on the side walls of the connecting frames on the two sides are shifted, so that the clamping ports of the rotating clamping plates are separated from the positioning columns, then the second inclined supporting rod is pushed to move in the direction away from the first inclined supporting rod, and the plurality of step plates start to turn over along with the movement of the second inclined supporting rod in the process; after anti-skid bottom plates at the bottoms of the two second inclined supporting rods make contact with the ground, the multiple step plates are kept positioned, so that pedestrians can climb to the bridge body frame, the trapezoid pedestrian gap bridge is built on the scraper conveying mechanism through the inclined supporting rods on the two sides and the steel plates, and the problems that a traditional pedestrian gap bridge is single in form, difficult to carry, poor in maneuverability and incapable of being used are solved; casualties or equipment damage caused by the fact that people cannot use the pedestrian bridge to pass through the scraper conveyor are avoided.

The utility model relates to the technical field of steel trestles, in particular to a bridge deck structure of a steel trestle, which comprises a plurality of support beams and a flat plate, the support beams are arranged side by side, the flat plate is laid on the support beams, and cross beams are connected among the support beams; positioning holes are formed in the supporting beams, and positioning columns correspondingly matched with the positioning holes are arranged at the bottom of the flat plate; and a hook lock connecting assembly connected with the cross beam is arranged below the flat plate. The utility model is more convenient to mount and dismount, and the working efficiency is improved.